EP0937935B1 - Rohrverbindung - Google Patents
Rohrverbindung Download PDFInfo
- Publication number
- EP0937935B1 EP0937935B1 EP99300578A EP99300578A EP0937935B1 EP 0937935 B1 EP0937935 B1 EP 0937935B1 EP 99300578 A EP99300578 A EP 99300578A EP 99300578 A EP99300578 A EP 99300578A EP 0937935 B1 EP0937935 B1 EP 0937935B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve member
- tubular
- coupling assembly
- assembly according
- tubular coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 title claims description 60
- 238000010168 coupling process Methods 0.000 title claims description 60
- 238000005859 coupling reaction Methods 0.000 title claims description 60
- 238000007789 sealing Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
- F16L23/028—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder
- F16L23/0283—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes the flanges being held against a shoulder the collar being integral with the pipe
Definitions
- the present invention relates generally to hose fitting assemblies. More particularly, the present invention relates to a tubular coupling designed for use in automotive systems.
- this assembly includes a male portion and a female portion secured together with some fastening mechanism. Fabrication of the coupling members can be quite complex requiring multiple fabrication steps for each of the male and female members. This complexity increases the cost of the assembly. It would therefore be advantageous to provide a coupling assembly which reduces a complexity and therefore the cost of the coupling assembly.
- the present invention provides a tubular coupling assembly comprising a pair of identical coupling members configured to be matingly engageable.
- Each coupling member has a tubular portion, an expanded portion and a transition portion disposed between the tubular and expanded portions.
- the expanded portion at the end of the tubular portion includes a flange portion circumferentially disposed at one end thereof such that when the expanded portions of two members are in sealing contact with each other a volume is defined therebetween.
- a stud receiving block member is disposed on the expanded portion of each of the tubular portions and includes an aperture therethrough.
- the assembly further includes a generally cylindrical, elongate sleeve member disposed within the volume, the sleeve member including a plurality of sealing members circumferentially disposed around an outside surface of the sleeve.
- the coupling assembly also includes a splined retainer adapted to be press fit into either of the apertures in the stud receiving blocks on the expanded portions of the identical coupling members. The splined retainer extends through the apertures to secure the coupling members together.
- FIGS. 1-3 show a tubular coupling assembly 10 structured in accord with the present invention.
- the coupling assembly 10 includes a pair of identical female coupling members 12, 14 which engage each other and are held together by a single splined stud member 16.
- a sealing sleeve 20 is inserted into a volume 22 defined by each of the coupling members 14, 16.
- Each of the coupling members 12, 14 is secured to a generally tubular portion 24. This may be done in many ways, such as by mechanically fastening the coupling members to the tubular portions 24. This is done by inserting a tubular member 24 through a coupling member 12 and mechanically expanding the tubular portion to fit tightly against the interior surface of the coupling member 12.
- the member 12 includes splines disposed on its interior surface, against which the tubular portion is expanded for a better hold. Other fastening means may be utilised as well, such as by brazing.
- the coupling members can be fabricated with the tubular portions as a unitary member.
- Each tubular portion 24 includes an expanded portion 26 and a transition portion 28 disposed between the tubular portion 24 and the expanded portion 26.
- the expanded portion 26 fits through an aperture (not shown) in the coupling member 12 in an interference fit as explained above includes a flange 30 circumferentially disposed at one end thereof for receiving a sealing member into it.
- Each of the block members 32 includes an aperture 34 extending all the way through for receiving the splined stud member 16 therethrough.
- Each of these female coupling members 12, 14, is manufactured from an aluminium alloy in a multiple step stamping operation.
- the coupling members can be fabricated from materials other than aluminium as well.
- the sealing sleeve 20 is a generally cylindrical, elongated member 40 disposed in the volume 22 formed between the engaged female coupling members 12, 14.
- the sealing sleeve member 20 includes a plurality of box like grooves 42 circumferentially disposed therearound.
- a centre box like groove 46 is formed in the sealing sleeve member 20 and receives an axial centre seal 48 disposed in that groove.
- the axial centre seal 48 extends radially further away from an outer surface of the sleeve member than do the O-rings 44 and sits into the flange portion 30 of each of the female coupling members 12, 14 when the coupling members are secured together.
- the O-rings 44 engage the interior surface of the expanded portions 26 of the female coupling members when the coupling members are secured together and thus prevent leakage of the fluid from the coupling assembly.
- the sleeve member can also be fabricated without the axial centre seal 48.
- Figure 5 shows an alternative embodiment of the sleeve member 20 wherein the general cylindrical member 40 has been coated with an elastomeric coating 50, such as a rubber compound.
- an elastomeric coating 50 such as a rubber compound.
- raised projections 52 extending axially away from the outer surface of the sleeve member 20 are formed integrally with the rubber or elastomeric coating 50 surrounding the sleeve member.
- an axially centre seal 54 is likewise formed, but as before, this is optional. In this manner, fabrication of the sleeve member is somewhat less complex since box like grooves do not need to be formed within the outer surface of the sleeve.
- the splined stud 16 is press fit into either one of the apertures in the stud receiving blocks 32. It is an advantage that the spline stud 16 can be press fit through either of the identical female members thus increasing the efficiency of the coupling in the event that packaging prevents access to one of the apertures.
- One end of the spline stud is threaded and receives a threaded nut 17 thereon for insuring that the two female coupling members are secured tightly together.
- Figure 6 shows an alternative embodiment of the coupling assembly of the present invention further including and orifice tube-type valve 60 disposed within the volume formed by the connection of the two identical female coupling members.
- the valve 60 is shown in one orientation in Figure 6, but this orientation could be reversed as well.
- the orifice valve 60 may be disposed within the sealing sleeve member 20 or may simply include a plurality of O-rings with an axial centre seal and serve as a sealing member in addition to being an orifice valve. Obviously, this type of system would be placed on the high pressure side of an air conditioning system employing an orifice valve configuration.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Claims (8)
- Rohrkupplung oder Rohrkupplunganordnung, folgendes aufweisend:zwei identische Kupplungsglieder (12, 14) mit zueinander passend in Eingriff bringbaren Flanschflächen (30), wobei jedes besagtes Kupplungsglied einen röhrenförmigen Abschnitt (24) aufweist, der über einen hohlen Übergangsabschnitt (28) mit einem hohlen aufgeweiteten Abschnitt (26) in Verbindung steht, wobei besagter aufgeweiteter Abschnitt (26) an besagter in Anlage bringbarer Flanschfläche (30) endet und von einer ringförmigen Aussparung (46) umgeben ist, die in besagte in Anlage bringbare Flanschfläche (30) eingeformt ist, so daß, wenn besagte in Eingriff bringbare Flächen (30) in Kontakt miteinander stehen, von den besagten aufgeweiteten Abschnitten ein Raum gebildet wird, der einen größeren Durchmesser als ein Durchmesser der besagten röhrenförmigen Abschnitte (24) aufweist;ein allgemein zylindrisches längliches Hülsenteil (20), das in besagtem Raum angeordnet ist, wobei besagtes Hülsenteil (20) eine Außenfläche mit mehreren in Umfangsrichtung verlaufenden Dichtungselementen (44) aufweist, die radial von dieser abstehen und in Dichtungseingriff mit den Innenflächen der besagten aufgeweiteten Abschnitte (26) stehen, wobei besagtes Hülsenteil (20) eine mittige Umfangsdichtung (48) aufweist, die sich radial in Dichtungseingriff mit besagter ringförmiger Aussparung (46) erstreckt, wobei besagte mittige Dichtung (48) einen radialen Durchmesser hat, der größer als ein radialer Durchmesser jedes der besagten Dichtungselemente (44) ist; undeinen Bolzen (16), wobei jedes der besagten Kupplungsteile ein den Bolzen aufnehmendes Blockteil (32) aufweist, das radial von besagtem aufgeweitetem Abschnitt absteht und eine durch dieses gehende Öffnung aufweist, wobei besagter Bolzen (16) mehrere Riffelungen (16) aufweist und durch Preßsitz in einer der besagten Öffnungen in den besagten den Bolzen aufnehmenden Blöcken (32) befestigt ist und durch die andere der besagten Öffnungen in besagten den Bolzen aufnehmenden Blöcken (32) reicht, so daß besagte Kupplungsteile (12, 14) mit besagten in Eingriff bringbaren Flächen (30) in Anlage aneinander befestigt werden.
- Rohrkupplung nach Anspruch 1, worin besagtes Hülsenteil aus einem Metallwerkstoff hergestellt ist und mehrere Nuten aufweist, die in Umfangsrichtung um dieses herum angeordnet sind und darin besagte Dichtelemente aufnehmen.
- Rohrkupplung nach Anspruch 2, worin besagte Dichtelemente O-Ring-Dichtungen sind.
- Rohrkupplung nach Anspruch 1, worin besagtes Hülsenteil zwei besagte Dichtelemente zu beiden Seiten der besagten mittigen Dichtung aufweist.
- Rohrkupplung nach Anspruch 1, worin besagtes Hülsenteil einen starren, allgemein länglichen zylinderförmigen Teil mit einer Außenfläche und einem Elastomerüberzug aufweist, mit der besagten Außenfläche verbunden ist und besagte Außenfläche des besagten Hülsenteiles bildet.
- Rohrkupplung nach Anspruch 5, worin besagte mittige Dichtung und besagte Dichtelemente von mehreren radial verlaufenden Umfangsvorsprüngen der besagten Elastomerbeschichtung gebildet werden.
- Rohrkupplung nach Anspruch 1, mit einem Mündungsventil, das in besagtem Hülsenteil angeordnet ist.
- Rohrkupplung nach Anspruch 1, worin besagtes Hülsenteil ein Mündungsventil enthält.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27938 | 1998-02-23 | ||
US09/027,938 US6106030A (en) | 1998-02-23 | 1998-02-23 | Tubular coupling |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0937935A1 EP0937935A1 (de) | 1999-08-25 |
EP0937935B1 true EP0937935B1 (de) | 2003-07-09 |
Family
ID=21840631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99300578A Expired - Lifetime EP0937935B1 (de) | 1998-02-23 | 1999-01-26 | Rohrverbindung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6106030A (de) |
EP (1) | EP0937935B1 (de) |
KR (1) | KR19990083642A (de) |
DE (1) | DE69909348T2 (de) |
Families Citing this family (29)
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US7407165B1 (en) * | 2000-04-04 | 2008-08-05 | Hutchinson Fts, Inc. | Composite sleeve for sealing a tubular coupling |
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US6676167B2 (en) | 2002-05-20 | 2004-01-13 | Visteon Global Technologies, Inc. | Air conditioning block fitting with two surface sealing |
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US20050051971A1 (en) * | 2003-09-04 | 2005-03-10 | Grice Geoffrey Alan | Transporting plate and seal combination, transporting plate, transporting pad seal and compressor plate, and seal kit for vehicle air conditioning compressor and related methods |
DE102006035717A1 (de) * | 2006-08-01 | 2008-02-07 | Contitech Kühner Gmbh & Cie. Kg | Dichtungsanordnung für eine Kupplung für Kältemittelleitungen |
US7850055B2 (en) * | 2007-03-15 | 2010-12-14 | Black & Decker Inc. | Assembly having gasket resistant to side loading by pressurized fluid |
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DE102009038132B4 (de) * | 2009-08-12 | 2015-12-24 | Joma-Polytec Gmbh | Vakuumpumpe |
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US5195787A (en) * | 1990-01-16 | 1993-03-23 | Proprietary Technology, Inc. | Quick connector with heavy-duty retainer |
JPH0429693A (ja) * | 1990-05-23 | 1992-01-31 | Sekisui Chem Co Ltd | 管継手用抜け止め具 |
US5211427A (en) * | 1990-12-22 | 1993-05-18 | Usui Kokusai Sangyo Kaisha Ltd. | Piping connector |
US5174615A (en) * | 1991-09-11 | 1992-12-29 | Foster Marion C | Mechanical joint connector and joint employing said connector |
US5169161A (en) * | 1991-09-19 | 1992-12-08 | Hail Mary Rubber Co., Inc. | Symmetrical gasket for pipe joints |
US5316352A (en) * | 1991-12-16 | 1994-05-31 | Smith Michael S | Pipe coupling |
US5213342A (en) * | 1992-02-18 | 1993-05-25 | Federal-Mogul Corporation | Lip seal with radially compressible support band |
US5342095A (en) * | 1992-09-29 | 1994-08-30 | Itt Corporation | High pressure quick connector |
US5364131A (en) * | 1993-02-01 | 1994-11-15 | Ford Motor Company | Quick-connect tubular coupling |
US5396931A (en) * | 1993-03-29 | 1995-03-14 | Precision Flow, Inc. | Mounting of orifice plates |
US5480196A (en) * | 1994-08-15 | 1996-01-02 | American Cast Iron Pipe Company | Ductile iron pipe joint employing a coupling and coupling therefor |
-
1998
- 1998-02-23 US US09/027,938 patent/US6106030A/en not_active Expired - Fee Related
-
1999
- 1999-01-26 EP EP99300578A patent/EP0937935B1/de not_active Expired - Lifetime
- 1999-01-26 DE DE69909348T patent/DE69909348T2/de not_active Expired - Fee Related
- 1999-08-31 KR KR1019990036427A patent/KR19990083642A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US6106030A (en) | 2000-08-22 |
DE69909348D1 (de) | 2003-08-14 |
KR19990083642A (ko) | 1999-11-25 |
DE69909348T2 (de) | 2004-05-27 |
EP0937935A1 (de) | 1999-08-25 |
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